Question

1. A shopkeeper bought a laptop bag for 700 and sold it for 784. What is his profit or loss per cent?
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Answer 1

Given:

A laptop with

• Cost Price = Rs. 700
• Selling Price = Rs. 784

What To Find:

We have to find profit/loss percent.

How To Find:

To find profit/loss percent, we have to

• First we have to whether it is a profit or loss.
• Next, find the profit/loss
• Then, find the profit/loss percent.

Solution:

• Finding whether it is a profit or loss

We know that,

• If SP > CP then it is profit.
• If CP > SP then it is loss.

So,

• SP = Rs. 784
• CP = Rs. 700

Since,

SP > CP -- It is a profit.

• Finding the profit

To find the profit we will,

⇒ Profit = SP - CP

Substitute the values,

⇒ Profit = Rs. 784 - Rs. 700

Subtract the amount,

⇒ Profit = Rs. 784

• Finding the profit percent.

To find the profit percent,

⇒ $\sf{Profit \: Percent = \dfrac{Profit \times 100}{C.P}}$

Substitute the values,

⇒ $\sf{Profit \: Percent = \dfrac{84 \times 100}{700}}$

Cancel the zeros,

⇒ $\sf{Profit \: Percent = \dfrac{84}{7}}$

Divide 84 by 7,

⇒ Profit Percent = 12 %

∴ Therefore, profit percent of a laptop is 12 %.